Butina pleaded guilty in December last year to one count of conspiring to act as a foreign agent for Russia by infiltrating a gun rights group and influencing US conservative activists and Republicans.
300 Russian police arrive in Syria for border patrols
Her case further strained the US-Russian relations, prompting Moscow to accuse Washington of forcing Butina, a 30-year-old Masters student, to confess to what it described as ridiculous charges.
Russian state television on Saturday showed a brief interview with Butina recorded before her plane took off. Numerous local reporters and TV crews gathered in Sheremetyevo airport to cover her arrival, some with flowers.
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